12657666141325 has 6 divisors (see below), whose sum is σ = 15695506015274. Its totient is φ = 10126132913040.

The previous prime is 12657666141313. The next prime is 12657666141359. The reversal of 12657666141325 is 52314166675621.

12657666141325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 16356107881 + 12641310033444 = 127891^2 + 3555462^2 .

It is not a de Polignac number, because 12657666141325 - 2⁹ = 12657666140813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253153322802 + ... + 253153322851.

Almost surely, 2^{12657666141325} is an apocalyptic number.

It is an amenable number.

12657666141325 is a deficient number, since it is larger than the sum of its proper divisors (3037839873949).

12657666141325 is an equidigital number, since it uses as much as digits as its factorization.

12657666141325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506306645663 (or 506306645658 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 12657666141325 in words is "twelve trillion, six hundred fifty-seven billion, six hundred sixty-six million, one hundred forty-one thousand, three hundred twenty-five".